1 files changed, 0 insertions, 280 deletions
diff --git a/cras/src/alsa_plugin/ctl_cras.c b/cras/src/alsa_plugin/ctl_cras.c
deleted file mode 100644
index 76b0c039..00000000
--- a/cras/src/alsa_plugin/ctl_cras.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <alsa/asoundlib.h>
-#include <alsa/control_external.h>
-#include <cras_client.h>
-
-static const size_t MAX_IODEVS = 10; /* Max devices to print out. */
-static const size_t MAX_IONODES = 20; /* Max ionodes to print out. */
-
-/* Support basic input/output volume/mute only. */
-enum CTL_CRAS_MIXER_CONTROLS {
-	CTL_CRAS_MIXER_PLAYBACK_SWITCH,
-	CTL_CRAS_MIXER_PLAYBACK_VOLUME,
-	NUM_CTL_CRAS_MIXER_ELEMS
-};
-
-/* Hold info specific to each control. */
-struct cras_mixer_control {
-	const char *name;
-	int type;
-	unsigned int access;
-	unsigned int count;
-};
-
-/* CRAS mixer elements. */
-static const struct cras_mixer_control cras_elems[NUM_CTL_CRAS_MIXER_ELEMS] = {
-	{ "Master Playback Switch", SND_CTL_ELEM_TYPE_BOOLEAN,
-	  SND_CTL_EXT_ACCESS_READWRITE, 1 },
-	{ "Master Playback Volume", SND_CTL_ELEM_TYPE_INTEGER,
-	  SND_CTL_EXT_ACCESS_READWRITE, 1 },
-};
-
-/* Holds the client and ctl plugin pointers. */
-struct ctl_cras {
-	snd_ctl_ext_t ext_ctl;
-	struct cras_client *client;
-};
-
-/* Frees resources when the plugin is closed. */
-static void ctl_cras_close(snd_ctl_ext_t *ext_ctl)
-{
-	struct ctl_cras *cras = (struct ctl_cras *)ext_ctl->private_data;
-
-	if (cras) {
-		cras_client_stop(cras->client);
-		cras_client_destroy(cras->client);
-	}
-	free(cras);
-}
-
-/* Lists available controls. */
-static int ctl_cras_elem_list(snd_ctl_ext_t *ext_ctl, unsigned int offset,
-			      snd_ctl_elem_id_t *id)
-{
-	snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
-	if (offset >= NUM_CTL_CRAS_MIXER_ELEMS)
-		return -EINVAL;
-	snd_ctl_elem_id_set_name(id, cras_elems[offset].name);
-	return 0;
-}
-
-/* Returns the number of available controls. */
-static int ctl_cras_elem_count(snd_ctl_ext_t *ext_ctl)
-{
-	return NUM_CTL_CRAS_MIXER_ELEMS;
-}
-
-/* Gets a control key from a search id. */
-static snd_ctl_ext_key_t ctl_cras_find_elem(snd_ctl_ext_t *ext_ctl,
-					    const snd_ctl_elem_id_t *id)
-{
-	const char *name;
-	unsigned int numid;
-
-	numid = snd_ctl_elem_id_get_numid(id);
-	if (numid - 1 < NUM_CTL_CRAS_MIXER_ELEMS)
-		return numid - 1;
-
-	name = snd_ctl_elem_id_get_name(id);
-
-	for (numid = 0; numid < NUM_CTL_CRAS_MIXER_ELEMS; numid++)
-		if (strcmp(cras_elems[numid].name, name) == 0)
-			return numid;
-
-	return SND_CTL_EXT_KEY_NOT_FOUND;
-}
-
-/* Fills accessibility, type and count based on the specified control. */
-static int ctl_cras_get_attribute(snd_ctl_ext_t *ext_ctl, snd_ctl_ext_key_t key,
-				  int *type, unsigned int *acc,
-				  unsigned int *count)
-{
-	if (key >= NUM_CTL_CRAS_MIXER_ELEMS)
-		return -EINVAL;
-	*type = cras_elems[key].type;
-	*acc = cras_elems[key].access;
-	*count = cras_elems[key].count;
-	return 0;
-}
-
-/* Returns the range of the specified control.  The volume sliders always run
- * from 0 to 100 for CRAS. */
-static int ctl_cras_get_integer_info(snd_ctl_ext_t *ext_ctl,
-				     snd_ctl_ext_key_t key, long *imin,
-				     long *imax, long *istep)
-{
-	*istep = 0;
-	*imin = 0;
-	*imax = 100;
-	return 0;
-}
-
-static int get_nodes(struct cras_client *client, enum CRAS_STREAM_DIRECTION dir,
-		     struct cras_ionode_info *nodes, size_t num_nodes)
-{
-	struct cras_iodev_info devs[MAX_IODEVS];
-	size_t num_devs;
-	int rc;
-
-	if (dir == CRAS_STREAM_OUTPUT)
-		rc = cras_client_get_output_devices(client, devs, nodes,
-						    &num_devs, &num_nodes);
-	else
-		rc = cras_client_get_input_devices(client, devs, nodes,
-						   &num_devs, &num_nodes);
-	if (rc < 0)
-		return 0;
-	return num_nodes;
-}
-
-/* Gets the value of the given control from CRAS and puts it in value. */
-static int ctl_cras_read_integer(snd_ctl_ext_t *ext_ctl, snd_ctl_ext_key_t key,
-				 long *value)
-{
-	struct ctl_cras *cras = (struct ctl_cras *)ext_ctl->private_data;
-	struct cras_ionode_info nodes[MAX_IONODES];
-	int num_nodes, i;
-
-	switch (key) {
-	case CTL_CRAS_MIXER_PLAYBACK_SWITCH:
-		*value = !cras_client_get_user_muted(cras->client);
-		break;
-	case CTL_CRAS_MIXER_PLAYBACK_VOLUME:
-		num_nodes = get_nodes(cras->client, CRAS_STREAM_OUTPUT, nodes,
-				      MAX_IONODES);
-		for (i = 0; i < num_nodes; i++) {
-			if (!nodes[i].active)
-				continue;
-			*value = nodes[i].volume;
-			break;
-		}
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/* Writes the given values to CRAS. */
-static int ctl_cras_write_integer(snd_ctl_ext_t *ext_ctl, snd_ctl_ext_key_t key,
-				  long *value)
-{
-	struct ctl_cras *cras = (struct ctl_cras *)ext_ctl->private_data;
-	struct cras_ionode_info nodes[MAX_IONODES];
-	int num_nodes, i;
-
-	switch (key) {
-	case CTL_CRAS_MIXER_PLAYBACK_SWITCH:
-		cras_client_set_user_mute(cras->client, !(*value));
-		break;
-	case CTL_CRAS_MIXER_PLAYBACK_VOLUME:
-		num_nodes = get_nodes(cras->client, CRAS_STREAM_OUTPUT, nodes,
-				      MAX_IONODES);
-		for (i = 0; i < num_nodes; i++) {
-			if (!nodes[i].active)
-				continue;
-			cras_client_set_node_volume(
-				cras->client,
-				cras_make_node_id(nodes[i].iodev_idx,
-						  nodes[i].ionode_idx),
-				*value);
-		}
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static const snd_ctl_ext_callback_t ctl_cras_ext_callback = {
-	.close = ctl_cras_close,
-	.elem_count = ctl_cras_elem_count,
-	.elem_list = ctl_cras_elem_list,
-	.find_elem = ctl_cras_find_elem,
-	.get_attribute = ctl_cras_get_attribute,
-	.get_integer_info = ctl_cras_get_integer_info,
-	.read_integer = ctl_cras_read_integer,
-	.write_integer = ctl_cras_write_integer,
-};
-
-SND_CTL_PLUGIN_DEFINE_FUNC(cras)
-{
-	struct ctl_cras *cras;
-	int rc;
-
-	cras = malloc(sizeof(*cras));
-	if (cras == NULL)
-		return -ENOMEM;
-
-	rc = cras_client_create(&cras->client);
-	if (rc != 0 || cras->client == NULL) {
-		fprintf(stderr, "Couldn't create CRAS client\n");
-		free(cras);
-		return rc;
-	}
-
-	rc = cras_client_connect(cras->client);
-	if (rc < 0) {
-		fprintf(stderr, "Couldn't connect to cras.\n");
-		cras_client_destroy(cras->client);
-		free(cras);
-		return rc;
-	}
-
-	rc = cras_client_run_thread(cras->client);
-	if (rc < 0) {
-		fprintf(stderr, "Couldn't start client thread.\n");
-		cras_client_stop(cras->client);
-		cras_client_destroy(cras->client);
-		free(cras);
-		return rc;
-	}
-
-	rc = cras_client_connected_wait(cras->client);
-	if (rc < 0) {
-		fprintf(stderr, "CRAS client wouldn't connect.\n");
-		cras_client_stop(cras->client);
-		cras_client_destroy(cras->client);
-		free(cras);
-		return rc;
-	}
-
-	cras->ext_ctl.version = SND_CTL_EXT_VERSION;
-	cras->ext_ctl.card_idx = 0;
-	strncpy(cras->ext_ctl.id, "cras", sizeof(cras->ext_ctl.id) - 1);
-	cras->ext_ctl.id[sizeof(cras->ext_ctl.id) - 1] = '\0';
-	strncpy(cras->ext_ctl.driver, "CRAS plugin",
-		sizeof(cras->ext_ctl.driver) - 1);
-	cras->ext_ctl.driver[sizeof(cras->ext_ctl.driver) - 1] = '\0';
-	strncpy(cras->ext_ctl.name, "CRAS", sizeof(cras->ext_ctl.name) - 1);
-	cras->ext_ctl.name[sizeof(cras->ext_ctl.name) - 1] = '\0';
-	strncpy(cras->ext_ctl.longname, "CRAS",
-		sizeof(cras->ext_ctl.longname) - 1);
-	cras->ext_ctl.longname[sizeof(cras->ext_ctl.longname) - 1] = '\0';
-	strncpy(cras->ext_ctl.mixername, "CRAS",
-		sizeof(cras->ext_ctl.mixername) - 1);
-	cras->ext_ctl.mixername[sizeof(cras->ext_ctl.mixername) - 1] = '\0';
-	cras->ext_ctl.poll_fd = -1;
-
-	cras->ext_ctl.callback = &ctl_cras_ext_callback;
-	cras->ext_ctl.private_data = cras;
-
-	rc = snd_ctl_ext_create(&cras->ext_ctl, name, mode);
-	if (rc < 0) {
-		cras_client_stop(cras->client);
-		cras_client_destroy(cras->client);
-		free(cras);
-		return rc;
-	}
-
-	*handlep = cras->ext_ctl.handle;
-	return 0;
-}
-
-SND_CTL_PLUGIN_SYMBOL(cras);